WorksheetsMuscular Contraction ACC
Total questions: 10
Worksheet time: 8mins
What is the structural and functional unit of the myofibril?
Neuromuscular junction
Sarcomere
Endomysium
Sarcoplasm
What is the name of the theory for muscle contraction?
Sliding Filament Theory
Actin-Myosin Theory
Sliding Fiber Theory
Thick and Thin Filament Theory
Muscles can only (a) and relax. They do no lengthen.
All of the following are examples of muscle tissue EXCEPT:
Cardiac
Skeletal
Nervous
Smooth
Identify structure #1
(a)
Identify structure #5
(a)
Identify structure #3
(a)
Calcium binds with ___________ in order to open up the binding sites on actin that were blocked by _______________.
myosin, acetylcholine
tropomyosin, troponin
acetylcholine, myosin
troponin, tropomyosin
At a neuromuscular junction, does the terminal end of the axon physically touch the muscle?
(a)
What does "C" represent in the graph above
(a)
